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GIANT ARMADILLO                              1/9

5-1, with, a large intestine of no less than  7 feet; D.
4-3 and -66.
Priodon is the giant of its race. This Armadillo may
reach a length of 3 feet to the base of the tail. The tail is
some 20 inches long. The large number of teeth has been already
noticed. There are twelve or thirteen bands. Other points
in the structure of this genus have already been mentioned, and
need not be recapitulated. This Armadillo feeds upon termites
and carrion.
Scleroplewra* is unfortunately but imperfectly known. The
single species, named by Milne-Edwards I & Iruneti, is apparently
a very rare inhabitant of Brazil It is known by a single skin,
which was tanned by the hunter who obtained it. Thus the
hair, if any, has dropped out. The plates in the skin are
deficient along the back and even upon the top of the head, and
are barely represented upon the tail posteriorly. The ears are
small and distant from each other. The tail is longish, about
one-third of the length of the body. The total length of the
creature includiog the tail is rather more than a foot and a half.
The hunter who obtained it regarded it as a hybrid between an
Armadillo and. an Anteater.
Extract Xenartfara.—There are a good many extinct forms
of Armadillo, apart of course from the Glyptodons. Peltephilus
is referred to later {p. 186), Dasygws was represented by a large
form, 6 feet long, with a skull of one foot in length. The genus
Jgutatus was also large. The carapace was formed of thirty-three
distinct bands, of which the last twelve are soldered together, but
not fused into a shield as in Dasypus, etc.
An extinct group of American Edentates, termed the GKAVI-
6RADA,2 are somewhat intermediate between the Sloths and the
Anteaters. A number of the genera are well known from com-
plete skeletons.
One of the typical forms of this group is Mylodon, which,
together with its immediate allies, is often placed in a separate
family, Mylodontidae.
Mylodon itself was a large creature, as big as a Bhinoceroa,
It was covered externally by armour in the skin, which did not
form a massive armature as in the Griyptodonts, but was in the
1 Milne-Edwards, N&uv. Arch. Mus. viL 1871, p. 177,